+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   832 Karin (A916 SE) Classification: Main-belt Asteroid          SPK-ID: 2000832 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 74 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08111326584395735 4.2307e-08   a 2.864436325313233 1.0409e-08 au q 2.632092540165012 1.1833e-07 au i 1.005582643478628 3.268e-06 deg node 253.9082394452618 0.00024212 deg peri 122.1498478632725 0.00024301 deg M 125.0324736226775 2.0649e-05 deg tp 2458385.496612013427 (2018-Sep-23.99661201) 0.00010168 TDB period 1770.74973613103 4.85 9.6518e-06 2.643e-08 d yr n .2033037151746672 1.1081e-09 deg/d Q 3.096780110461453 1.1253e-08 au   Orbit Determination Parameters    # obs. used (total)      3347      data-arc span      42939 days (117.56 yr)      first obs. used      1902-11-22      last obs. used      2020-06-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42038      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:21:21   Additional Information  Earth MOID = 1.63333 au   Jupiter MOID = 2.3239 au   T_jup = 3.295  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.2   n/a MPO502161   diameter diameter 15.812 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 18.348 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Binzel, R.P. (1987) Icarus 72, 135-208.] [Yoshida, F.; Dermawan, B.; Ito, T.; Sawabe, Y.; et al. (2004) Pub. Astron. Soc. Japan 56, 1105-1113.] [Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] [Slivan, S.M.; Molnar, L.A. (2012) Icarus 220, 1097-1103.] [Yoshida, F.; Ito, T.; Dermawan, B.; Nakamura, T.; et al. (2016) Icarus 269, 15-22.] [Oey, J.; Groom, R. (2018) Minor Planet Bull. 45, 363-366.] geometric albedo albedo 0.221   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.830   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.11 deg. U-B UB 0.390   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.11 deg. 832 Karin (A916 SE)          Discovered 1916-Sep-20 by Wolf, M. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A916 SE = 1955 SD3 = A902 WH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-07 10:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin